In this single-case study with a quasi-experimental design, we set out to examine the role of two input-based features of the language learning app Duolingo on learners' development of implicit and explicit second language (L2) knowledge. We investigated the effect of Duolingo's Stories feature and Podcast feature on two Spanish-L2 learners'…

Research has established positive associations between informal digital activities and vocabulary knowledge. However, understanding how different types of digital activities relate to various aspects of vocabulary knowledge is limited. This study examined how the purpose of informal digital activities and strategic engagement during and/or after…

While CLIL programmes have been extensively researched for their impact on L2 learning outcomes, the relationship between young learners' L2 proficiency and subject knowledge has received less attention. This study aimed to address this research gap by examining the science content knowledge of two cohorts of Grade 5 students (n = 100) from two…

This paper reports on empirical research that endeavors to investigate the role of vocabulary knowledge in the writing and speaking performance of 54 B2 level Turkish learners of English as a foreign language (EFL). The measured aspects of vocabulary knowledge (productive vocabulary size, receptive vocabulary size, and depth of vocabulary…

Phrasal verbs (PVs) are very common in English, indicating their usefulness in everyday settings. However, it was reported that language learners generally have great difficulties in understanding and using this linguistic form. This study investigated Malaysian learners' receptive and productive knowledge of PVs, and some possible factors which…

This research study emphasized the importance of explicit instruction and repeated exposure to the target vocabulary for effective reception and production of new words among the second language learners of English. The purpose of the study was to examine the efficacy of the researcher-created supplementary for the prescribed set of vocabulary in…

The purposes of this study were to investigate the levels of receptive and productive knowledge of English collocations of Thai EFL university students and identify the types of grammatical and lexical collocations reported as most and least known by the students. The participants were 286 third-year regular students affiliated with four academic…

It is broadly acknowledged that collocation is a crucial aspect of lexical knowledge. A well-developed collocational knowledge is necessary to transfer receptive word knowledge into productive use. The aim of the present study was to investigate comparatively the effect of two glossing conditions (textual and audio) and skewed input on lexical…

The aim of this study was to identify the effectiveness of a mobile application in vocabulary knowledge improvement of English as a Foreign Language (EFL) learners. This study adopted a quasi-experimental research design consisting of an experimental and a control group with 73 participants studying at two state universities in Turkey. During the…

This study is an attempt to clarify the incremental and multidimensional nature of foreign language vocabulary development and its relation to the participants' reading and writing performances and general language ability of English as a foreign language (EFL). With this principle aim, the current study investigated the relationship between…

In recent years, a number of studies have attempted to assess the English vocabulary knowledge of high-school students and undergraduate university students in contexts where English is a foreign language (EFL). The present paper explores the lexical development of Arab undergraduates at a Saudi University where EFL is the medium of instruction.…

Human cognitive competence represents individuals' subconscious knowledge of abilities, talents, and mental skills collectively called "multiple intelligences (MIs)", which play a pivotal role in facilitating human learning. Thus, the main objective of the present study was to determine the magnitude of the relationship existing between…

This paper tracks the increase in the overall word reception knowledge of 224 young pupils in their 4th, 5th and 6th grades of primary education and in their 1st year of secondary education (7th grade), who learn EFL in a formal context. The 2,000 word frequency band of The Vocabulary Levels Test (Schmitt, Schmitt and Clapham, 2001, version 2) is…

Cutting-edge in its approach and international in its authorship, this fourth monograph in a series sponsored by the Chinese Language Teachers Association features eight research studies that explore a variety of themes, topics, and perspectives important to a variety of stakeholders in the Chinese language learning community. Employing a wide…

Although testing language has traditionally taken the form of testing knowledge about language, the idea of testing communicative competence is becoming recognized as being of great importance in second language learning. Communicative language tests are intended to be a measure of how the testees are able to use language in real life situations.…